| Lightning: Dangerous Earth | 3/6. Dr Helen Czerski examines the hottest natural phenomenon on the planet - lightning. High-speed cameras show the secrets of upward lightning that's triggered by urban landscapes. Also in HD. [S] | Tue, Oct 25, 12:50 am | BBC FOUR | 30 mins |
| Lightning: Dangerous Earth | 3/6. Dr Helen Czerski examines the hottest natural phenomenon on the planet - lightning. High-speed cameras show the secrets of upward lightning that's triggered by urban landscapes. Also in HD. [S] | Tue, Oct 18, 10:15 pm | BBC FOUR | 30 mins |
| Lightning: Dangerous Earth | 3/6. Dr Helen Czerski examines the hottest natural phenomenon on the planet - lightning. High-speed cameras show the secrets of upward lightning that's triggered by urban landscapes. Also in HD. [S] | Wed, Oct 24, 7:30 pm | BBC FOUR | 30 mins |
| Lightning: Dangerous Earth | 3/6. Dr Helen Czerski examines the hottest natural phenomena on the planet - lightning. Also in HD. [S] | Tue, Sept 19, 3:30 am | BBC FOUR | 30 mins |
| Lightning: Dangerous Earth | 3/6. Dr Helen Czerski examines the hottest natural phenomena on the planet - lightning. Also in HD. [S] | Mon, Sept 18, 8:00 pm | BBC FOUR | 30 mins |